<p>Recent back-end upgrades by Microsoft to Office 365's SharePoint Online are causing problems for some users and developers whose workflows and applications have been disrupted by a variety of bugs.</p><p>At SP Marketplace, a Sacramento, California, developer of business applications that run on SharePoint, staffers are now constantly monitoring their software in case Microsoft back-end changes break functionality in their products.</p><p>[ Discover what's new in business applications with InfoWorld's Technology: Applications newsletter and our Technology: Microsoft newsletter. ]</p><p>Meanwhile, ObjectSharp, a Toronto provider of Microsoft software development, consulting and training, had to scramble late last month to troubleshoot a problem for one of its customers that was also linked to SharePoint Online upgrades.</p><p><a href="http://www.infoworld.com/d/cloud-computing/sharepoint-online-upgrades-cause-problems-some-users-developers-210384">Keep reading...</a></p>